Abstract
In the matrix density formalism for a charged spinor particle located in a constant uniform magnetic field, we develop a technique for calculating the reaction rate and the four-momentum carried away from a plasma by a neutrino in one-vertex neutrino processes. Using this technique, we reproduce results for the luminosity in processes of neutrino synchrotron emission by electrons (positrons) and of electron-positron annihilation producing the neutrino pair.
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 170, No. 3, pp. 423–447, March, 2012.
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Gvozdev, A.A., Osokina, E.V. Neutrino processes in an external magnetic field in the density matrix formalism. Theor Math Phys 170, 354–375 (2012). https://doi.org/10.1007/s11232-012-0035-4
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DOI: https://doi.org/10.1007/s11232-012-0035-4